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6D2

Information - Help 
ID = 21887
       
Country:
Great Britain (UK)
Brand: Mazda = Valve (Tube) brand GB (see also France)
Tube type:  Double Diode   Detector 
Identical to 6D2 = EAA91 = EB91 = CV140 = DD6_Ferranti_Cossor
Similar Tubes
Other class quality (otherwise equal):
  M8079

Base Miniatur-7-Pin-Base B7G, USA 1940
Filament Vf 6.3 Volts / If 0.3 Ampere / Indirect / Parallel / series AC/DC
Literature Röhren-Taschen-Tabelle, (Franzis RTT)   
- - Manufacturers Literature   1948
 
6d220mazda.jpg
6D2
John Koster

 
mi19_g_7.gif
6D2: RTT Schwandt
Günther Stabe

 
6d2data.png
6D2: own collection
Peter den Boer


Usage in Models 1= 1947? ; 8= 1948 ; 8= 1949? ; 9= 1949 ; 1= 1950? ; 3= 1950 ; 1= 1951? ; 7= 1951 ; 5= 1952 ; 2= 1955 ; 9= 1956 ; 1= 1957? ; 9= 1957 ; 3= 1958 ; 3= 1960 ; 1= 1961??

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):71


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